Chino Hills, CA
A 27-year-old male asked:
6-am is metabolized to morphine & codeine is metabolized to morphine how can they tell the difference in urine after sample is collected 4 days after
1 doctor answer • 2 doctors weighed in

Dr. Paul Pylesanswered
Addiction Medicine 35 years experience
Cannot Tell: Without having all the results of the drug screening, I honestly don't think you can tell a difference. I think you are asking if you can tell from which drug the morphine is derived. The answer is you don't know unless there are traces of either 6-AM or Codeine present in the sample.
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3.1k viewsReviewed >2 years ago
Last updated Mar 16, 2015
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